Portable water purifier



FIG. 1 is a top perspective view of a portable water purifier showing my new design;

FIG. 2 is a top plan view of the invention;

FIG. 3 is a front elevational view of the invention;

FIG. 4 is a side elevational view of the invention;

FIG. 5 is a rear elevational view of the invention; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a portable water purifier, as shown and described. 